/*
 * Copyright (C) 2023-2024. Huawei Technologies Co., Ltd. All rights reserved.
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huawei.boostkit.hive.expression;

import javax.annotation.Nullable;

public class ReferenceFactor extends BaseExpression {
    protected Integer colVal;
    protected Integer dataType;

    @Nullable
    private final Integer width;

    public ReferenceFactor(String exprType, Integer returnType,
                           String operator, Integer colVal, @Nullable Integer width, Integer dataType) {
        super(exprType, returnType, operator);
        this.colVal = colVal;
        this.width = width;
        this.dataType = dataType;
    }

    @Override
    public void add(BaseExpression node) {

    }

    @Override
    public boolean isFull() {
        return true;
    }

    @Override
    public void setLocated(Located located) {

    }

    @Override
    public Located getLocated() {
        return null;
    }

    @Override
    public Integer getReturnType() {
        return dataType;
    }

    @Override
    public String toString() {
        if (width == null) {
            return String.format("{\"exprType\":\"FIELD_REFERENCE\"," + "\"dataType\":%d," + "\"colVal\":%d}", dataType,
                    colVal);
        }
        return String.format(
                "{\"exprType\":\"FIELD_REFERENCE\"," + "\"dataType\":%d," + "\"colVal\":%d," + "\"width\":%d}",
                dataType, colVal, width);
    }
}
